保卫细胞
- 与 保卫细胞 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In many xerophytes and in some conifers of cooler climates, where soil water may be difficult to obtain in winter, the guard cells-and hence the stoma-are sunk in pits in the epidermis, often protected by hairs form passing air currents. TRANSPIRATION rates are thus greatly reduced, while allowing gaseous exchange for photosynthesis.
一些旱生植物和寒冷气候带的针叶树在冬季很难从土壤中得到水分，因此它们的保卫细胞和气孔在表皮上下陷成为气孔窝，常被表皮毛保护，可以在满足光合作用所需的气体交换的同时防止通过的气流带走大量水分，大大降低了植物呼吸率。
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These nutrients are responsible for guarding the trillions of cells in your body.
这些营养素是负责保卫万亿细胞在你的身体。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石！
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上，而不是您自己的计算机上。